Chemical Engineering MCQs

Page No. 355

Transistor parts and refrigerator components are normally made of_____________________?


aPolystyrene

✓


bPolyester

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cHigh density polythene

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dPolyurethane

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View Answer Polystyrene

Which of the following has the weakest intermolecular forces ?


aPolyisoprene

✓


bNylon-66

✖


cPolystyrene

✖


dBakelite

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View Answer Polyisoprene

Epoxy resin is a polymer containing two or more groups of the bellow fig. is called epoxide group or ethoxyline group. It is a _______________?


aPolyamide & an elastomer

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bGood adhesive

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cSurface coating agent

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dBoth B. and C.

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View Answer Both B. and C.

Which of the following is an inorganic polymer ?


aTeflon

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bPerspex

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cSilicones

✓


dBakelite

✖


View Answer Silicones

Polyurethane cannot be used for making____________________?


aMattresses & foam

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bCoating material

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cAdhesives

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dBottles

✓


View Answer Bottles

Which one is the radioactive isotope of hydrogen ?


aDeuterium

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bOrtho-hydrogen

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cTritium

✓


dNone of these

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View Answer Tritium

Candu reactor is a ______________ nuclear reactor?


aNatural uranium fuelled heavy water cooled & moderated

✓


bHighly enriched uranium (85% U-235) fuelled

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cHomogeneous

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dFast breeder

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Heavy water is used as a moderator in a _____________________?


aPressurised water reactor (PWR)

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bBoiling water reactor (BWR)

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cCandu reactor

✓


dMolten sodium cooled reactor

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View Answer Candu reactor

Which is a fertile nuclear fuel ?


aU-233

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bU-235

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cPu-239

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dTh-232

✓


View Answer Th-232

Enriched uranium means that, it contains___________________?


aMore than 0.71% of U-235

✓


bOnly fertile material

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cOnly fissile material

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dNo impurities

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